MK M < 479 of 1155 > Hill OTIC CL D O Problem 21-1A Measuring costs using high-low method P1 Alden Co.'s monthly data for the past year follow. Management wants to use these data to predict future variable and fixed costs. Month Units Sold Total Cost 1 320,000 $160,000 E 23 160,000 100,000 280,000 220,000 4 200,000 100,000 8 5 6 0 300,000 230,000 200,000 120,000 7 340,000 220,000 280,000 160,000 9 80,000 64,000 10 160,000 140,000 11 100,000 100,000 12 110,000 80,000 O Aa Required 1. Estimate both the variable costs per unit and the total monthly fixed costs using the high-low method. 2. Use the answers for variable and fixed costs from part 1 to predict future total costs when sales volume is (a) 220,000 units and (b) 240,000 units.